xref: /openbsd/sys/net80211/ieee80211_var.h (revision 50e8fe1c)
1 /*	$OpenBSD: ieee80211_var.h,v 1.111 2022/03/14 15:07:24 stsp Exp $	*/
2 /*	$NetBSD: ieee80211_var.h,v 1.7 2004/05/06 03:07:10 dyoung Exp $	*/
3 
4 /*-
5  * Copyright (c) 2001 Atsushi Onoe
6  * Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. The name of the author may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  *
31  * $FreeBSD: src/sys/net80211/ieee80211_var.h,v 1.15 2004/04/05 22:10:26 sam Exp $
32  */
33 #ifndef _NET80211_IEEE80211_VAR_H_
34 #define _NET80211_IEEE80211_VAR_H_
35 
36 /*
37  * Definitions for IEEE 802.11 drivers.
38  */
39 
40 #ifdef	SMALL_KERNEL
41 #define IEEE80211_STA_ONLY	1
42 #endif
43 
44 #include <sys/timeout.h>
45 
46 #include <net80211/ieee80211.h>
47 #include <net80211/ieee80211_crypto.h>
48 #include <net80211/ieee80211_ioctl.h>		/* for ieee80211_stats */
49 #include <net80211/ieee80211_node.h>
50 #include <net80211/ieee80211_proto.h>
51 
52 #define	IEEE80211_CHAN_MAX	255
53 #define	IEEE80211_CHAN_ANY	0xffff		/* token for ``any channel'' */
54 #define	IEEE80211_CHAN_ANYC \
55 	((struct ieee80211_channel *) NULL)
56 
57 #define	IEEE80211_TXPOWER_MAX	100	/* max power */
58 #define	IEEE80211_TXPOWER_MIN	-50	/* kill radio (if possible) */
59 
60 #define IEEE80211_RSSI_THRES_2GHZ		(-60)	/* in dBm */
61 #define IEEE80211_RSSI_THRES_5GHZ		(-70)	/* in dBm */
62 #define IEEE80211_RSSI_THRES_RATIO_2GHZ		60	/* in percent */
63 #define IEEE80211_RSSI_THRES_RATIO_5GHZ		50	/* in percent */
64 
65 #define IEEE80211_BGSCAN_FAIL_MAX		512	/* units of 500 msec */
66 
67 /*
68  * Missed beacon threshold: An access point has disappeared if this amount
69  * of consecutive beacons have been missed.
70  * This value needs to be high enough to avoid frequent re-connects to APs
71  * which suffer from occasional packet loss, and low enough to avoid a long
72  * delay before we start scanning when an AP has actually disappeared.
73  *
74  * The beacon interval is variable, but generally in the order of 100ms.
75  * So 30 beacons implies a grace period of about 3 seconds before we start
76  * searching for a new AP.
77  */
78 #define IEEE80211_BEACON_MISS_THRES		30	/* units of beacons */
79 
80 enum ieee80211_phytype {
81 	IEEE80211_T_DS,			/* direct sequence spread spectrum */
82 	IEEE80211_T_OFDM,		/* frequency division multiplexing */
83 	IEEE80211_T_XR		        /* extended range mode */
84 };
85 #define	IEEE80211_T_CCK	IEEE80211_T_DS	/* more common nomenclature */
86 
87 /* XXX not really a mode; there are really multiple PHY's */
88 enum ieee80211_phymode {
89 	IEEE80211_MODE_AUTO	= 0,	/* autoselect */
90 	IEEE80211_MODE_11A	= 1,	/* 5GHz, OFDM */
91 	IEEE80211_MODE_11B	= 2,	/* 2GHz, CCK */
92 	IEEE80211_MODE_11G	= 3,	/* 2GHz, OFDM */
93 	IEEE80211_MODE_11N	= 4,	/* 2GHz/5GHz, OFDM/HT */
94 	IEEE80211_MODE_11AC	= 5,	/* 5GHz, OFDM/VHT */
95 };
96 #define	IEEE80211_MODE_MAX	(IEEE80211_MODE_11AC+1)
97 
98 enum ieee80211_opmode {
99 	IEEE80211_M_STA		= 1,	/* infrastructure station */
100 #ifndef IEEE80211_STA_ONLY
101 	IEEE80211_M_IBSS	= 0,	/* IBSS (adhoc) station */
102 	IEEE80211_M_AHDEMO	= 3,	/* Old lucent compatible adhoc demo */
103 	IEEE80211_M_HOSTAP	= 6,	/* Software Access Point */
104 #endif
105 	IEEE80211_M_MONITOR	= 8	/* Monitor mode */
106 };
107 
108 /*
109  * 802.11g protection mode.
110  */
111 enum ieee80211_protmode {
112 	IEEE80211_PROT_NONE	= 0,	/* no protection */
113 	IEEE80211_PROT_CTSONLY	= 1,	/* CTS to self */
114 	IEEE80211_PROT_RTSCTS	= 2	/* RTS-CTS */
115 };
116 
117 /*
118  * Channels are specified by frequency and attributes.
119  */
120 struct ieee80211_channel {
121 	u_int16_t	ic_freq;	/* setting in MHz */
122 	u_int16_t	ic_flags;	/* see below */
123 	u_int32_t	ic_xflags;	/* extra flags; see below */
124 };
125 
126 /*
127  * Channel attributes (XXX must keep in sync with radiotap flags).
128  */
129 #define IEEE80211_CHAN_CCK	0x0020	/* CCK channel */
130 #define IEEE80211_CHAN_OFDM	0x0040	/* OFDM channel */
131 #define IEEE80211_CHAN_2GHZ	0x0080	/* 2 GHz spectrum channel */
132 #define IEEE80211_CHAN_5GHZ	0x0100	/* 5 GHz spectrum channel */
133 #define IEEE80211_CHAN_PASSIVE	0x0200	/* Only passive scan allowed */
134 #define IEEE80211_CHAN_DYN	0x0400	/* Dynamic CCK-OFDM channel */
135 #define IEEE80211_CHAN_XR	0x1000	/* Extended range OFDM channel */
136 #define IEEE80211_CHAN_HT	0x2000	/* 11n/HT channel */
137 #define IEEE80211_CHAN_VHT	0x4000	/* 11ac/VHT channel */
138 #define IEEE80211_CHAN_40MHZ	0x8000	/* use of 40 MHz is allowed */
139 
140 /*
141  * Extra channel flags.
142  */
143 #define IEEE80211_CHANX_80MHZ	0x00000001 /* use of 80 MHz is allowed */
144 #define IEEE80211_CHANX_160MHZ	0x00000002 /* use of 160 MHz is allowed */
145 
146 /*
147  * Useful combinations of channel characteristics.
148  */
149 #define IEEE80211_CHAN_A \
150 	(IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM)
151 #define IEEE80211_CHAN_B \
152 	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK)
153 #define IEEE80211_CHAN_PUREG \
154 	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM)
155 #define IEEE80211_CHAN_G \
156 	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN)
157 
158 #define	IEEE80211_IS_CHAN_A(_c) \
159 	(((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)
160 #define	IEEE80211_IS_CHAN_B(_c) \
161 	(((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)
162 #define	IEEE80211_IS_CHAN_PUREG(_c) \
163 	(((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG)
164 #define	IEEE80211_IS_CHAN_G(_c) \
165 	(((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)
166 #define	IEEE80211_IS_CHAN_N(_c) \
167 	(((_c)->ic_flags & IEEE80211_CHAN_HT) == IEEE80211_CHAN_HT)
168 #define	IEEE80211_IS_CHAN_AC(_c) \
169 	(((_c)->ic_flags & IEEE80211_CHAN_VHT) == IEEE80211_CHAN_VHT)
170 
171 #define	IEEE80211_IS_CHAN_2GHZ(_c) \
172 	(((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0)
173 #define	IEEE80211_IS_CHAN_5GHZ(_c) \
174 	(((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0)
175 #define	IEEE80211_IS_CHAN_OFDM(_c) \
176 	(((_c)->ic_flags & IEEE80211_CHAN_OFDM) != 0)
177 #define	IEEE80211_IS_CHAN_CCK(_c) \
178 	(((_c)->ic_flags & IEEE80211_CHAN_CCK) != 0)
179 #define	IEEE80211_IS_CHAN_XR(_c) \
180 	(((_c)->ic_flags & IEEE80211_CHAN_XR) != 0)
181 
182 #define	IEEE80211_CHAN_40MHZ_ALLOWED(_c) \
183 	(((_c)->ic_flags & IEEE80211_CHAN_40MHZ) != 0)
184 #define	IEEE80211_CHAN_80MHZ_ALLOWED(_c) \
185 	(((_c)->ic_xflags & IEEE80211_CHANX_80MHZ) != 0)
186 #define	IEEE80211_CHAN_160MHZ_ALLOWED(_c) \
187 	(((_c)->ic_xflags & IEEE80211_CHANX_160MHZ) != 0)
188 
189 /*
190  * EDCA AC parameters.
191  */
192 struct ieee80211_edca_ac_params {
193 	u_int8_t	ac_ecwmin;	/* CWmin = 2^ECWmin - 1 */
194 	u_int8_t	ac_ecwmax;	/* CWmax = 2^ECWmax - 1 */
195 	u_int8_t	ac_aifsn;
196 	u_int16_t	ac_txoplimit;	/* 32TU */
197 #define IEEE80211_TXOP_TO_US(txop)	((txop) * 32)
198 
199 	u_int8_t	ac_acm;
200 };
201 
202 extern const struct ieee80211_edca_ac_params
203 	    ieee80211_edca_table[IEEE80211_MODE_MAX][EDCA_NUM_AC];
204 extern const struct ieee80211_edca_ac_params
205 	    ieee80211_qap_edca_table[IEEE80211_MODE_MAX][EDCA_NUM_AC];
206 
207 #define IEEE80211_DEFRAG_SIZE	3	/* must be >= 3 according to spec */
208 /*
209  * Entry in the fragment cache.
210  */
211 struct ieee80211_defrag {
212 	struct timeout	df_to;
213 	struct mbuf	*df_m;
214 	u_int16_t	df_seq;
215 	u_int8_t	df_frag;
216 };
217 
218 #define IEEE80211_PROTO_NONE	0
219 #define IEEE80211_PROTO_RSN	(1 << 0)
220 #define IEEE80211_PROTO_WPA	(1 << 1)
221 
222 #define	IEEE80211_SCAN_UNLOCKED	0x0
223 #define	IEEE80211_SCAN_LOCKED	0x1
224 #define	IEEE80211_SCAN_REQUEST	0x2
225 #define	IEEE80211_SCAN_RESUME	0x4
226 
227 #define IEEE80211_GROUP_NKID	6
228 
229 struct ieee80211_node_switch_bss_arg;
230 
231 struct ieee80211com {
232 	struct arpcom		ic_ac;
233 	LIST_ENTRY(ieee80211com) ic_list;	/* chain of all ieee80211com */
234 	void			(*ic_recv_mgmt)(struct ieee80211com *,
235 				    struct mbuf *, struct ieee80211_node *,
236 				    struct ieee80211_rxinfo *, int);
237 	int			(*ic_send_mgmt)(struct ieee80211com *,
238 				    struct ieee80211_node *, int, int, int);
239 	int			(*ic_newstate)(struct ieee80211com *,
240 				    enum ieee80211_state, int);
241 	int			(*ic_newauth)(struct ieee80211com *,
242 				    struct ieee80211_node *, int, uint16_t);
243 	void			(*ic_newassoc)(struct ieee80211com *,
244 				    struct ieee80211_node *, int);
245 	void			(*ic_node_leave)(struct ieee80211com *,
246 				    struct ieee80211_node *);
247 	void			(*ic_updateslot)(struct ieee80211com *);
248 	void			(*ic_updateedca)(struct ieee80211com *);
249 	void			(*ic_set_tim)(struct ieee80211com *, int, int);
250 	int			(*ic_set_key)(struct ieee80211com *,
251 				    struct ieee80211_node *,
252 				    struct ieee80211_key *);
253 	void			(*ic_delete_key)(struct ieee80211com *,
254 				    struct ieee80211_node *,
255 				    struct ieee80211_key *);
256 	int			(*ic_ampdu_tx_start)(struct ieee80211com *,
257 				    struct ieee80211_node *, u_int8_t);
258 	void			(*ic_ampdu_tx_stop)(struct ieee80211com *,
259 				    struct ieee80211_node *, u_int8_t);
260 	int			(*ic_ampdu_rx_start)(struct ieee80211com *,
261 				    struct ieee80211_node *, u_int8_t);
262 	void			(*ic_ampdu_rx_stop)(struct ieee80211com *,
263 				    struct ieee80211_node *, u_int8_t);
264 	void			(*ic_updateprot)(struct ieee80211com *);
265 	void			(*ic_updatechan)(struct ieee80211com *);
266 	void			(*ic_updatedtim)(struct ieee80211com *);
267 	int			(*ic_bgscan_start)(struct ieee80211com *);
268 	void			(*ic_bgscan_done)(struct ieee80211com *,
269 				    struct ieee80211_node_switch_bss_arg *,
270 				    size_t);
271 	struct timeout		ic_bgscan_timeout;
272 	uint32_t		ic_bgscan_fail;
273 	u_int8_t		ic_myaddr[IEEE80211_ADDR_LEN];
274 	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
275 	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1];
276 	u_char			ic_chan_avail[howmany(IEEE80211_CHAN_MAX,NBBY)];
277 	u_char			ic_chan_active[howmany(IEEE80211_CHAN_MAX, NBBY)];
278 	u_char			ic_chan_scan[howmany(IEEE80211_CHAN_MAX,NBBY)];
279 	struct mbuf_queue	ic_mgtq;
280 	struct mbuf_queue	ic_pwrsaveq;
281 	u_int8_t		ic_scan_count;	/* count scans */
282 	u_int32_t		ic_flags;	/* state flags */
283 	u_int32_t		ic_xflags;	/* more flags */
284 	u_int32_t		ic_userflags;	/* yet more flags */
285 	u_int32_t		ic_caps;	/* capabilities */
286 	u_int16_t		ic_modecaps;	/* set of mode capabilities */
287 	u_int16_t		ic_curmode;	/* current mode */
288 	enum ieee80211_phytype	ic_phytype;	/* XXX wrong for multi-mode */
289 	enum ieee80211_opmode	ic_opmode;	/* operation mode */
290 	enum ieee80211_state	ic_state;	/* 802.11 state */
291 	u_int32_t		*ic_aid_bitmap;
292 	u_int16_t		ic_max_aid;
293 	enum ieee80211_protmode	ic_protmode;	/* 802.11g/n protection mode */
294 	struct ifmedia		ic_media;	/* interface media config */
295 	caddr_t			ic_rawbpf;	/* packet filter structure */
296 	struct ieee80211_node	*ic_bss;	/* information for this node */
297 	struct ieee80211_channel *ic_ibss_chan;
298 	int			ic_fixed_rate;	/* index to ic_sup_rates[] */
299 	u_int16_t		ic_rtsthreshold;
300 	u_int16_t		ic_fragthreshold;
301 	u_int			ic_scangen;	/* gen# for timeout scan */
302 	struct ieee80211_node	*(*ic_node_alloc)(struct ieee80211com *);
303 	void			(*ic_node_free)(struct ieee80211com *,
304 					struct ieee80211_node *);
305 	void			(*ic_node_copy)(struct ieee80211com *,
306 					struct ieee80211_node *,
307 					const struct ieee80211_node *);
308 	u_int8_t		(*ic_node_getrssi)(struct ieee80211com *,
309 					const struct ieee80211_node *);
310 	int			(*ic_node_checkrssi)(struct ieee80211com *,
311 					const struct ieee80211_node *);
312 	u_int8_t		ic_max_rssi;
313 	struct ieee80211_tree	ic_tree;
314 	int			ic_nnodes;	/* length of ic_nnodes */
315 	int			ic_max_nnodes;	/* max length of ic_nnodes */
316 	u_int16_t		ic_lintval;	/* listen interval */
317 	int16_t			ic_txpower;	/* tx power setting (dBm) */
318 	int			ic_bmissthres;	/* beacon miss threshold */
319 	int			ic_mgt_timer;	/* mgmt timeout */
320 #ifndef IEEE80211_STA_ONLY
321 	struct timeout		ic_inact_timeout; /* node inactivity timeout */
322 	struct timeout		ic_node_cache_timeout;
323 #endif
324 	struct task		ic_rtm_80211info_task;
325 	int			ic_des_esslen;
326 	u_int8_t		ic_des_essid[IEEE80211_NWID_LEN];
327 	struct ieee80211_channel *ic_des_chan;	/* desired channel */
328 	u_int8_t		ic_des_bssid[IEEE80211_ADDR_LEN];
329 	struct ieee80211_key	ic_nw_keys[IEEE80211_GROUP_NKID];
330 	int			ic_def_txkey;	/* group data key index */
331 #define ic_wep_txkey	ic_def_txkey
332 	int			ic_igtk_kid;	/* IGTK key index */
333 	u_int32_t		ic_iv;		/* initial vector for wep */
334 	struct ieee80211_stats	ic_stats;	/* statistics */
335 	struct timeval		ic_last_merge_print;	/* for rate-limiting
336 							 * IBSS merge print-outs
337 							 */
338 	struct ieee80211_edca_ac_params ic_edca_ac[EDCA_NUM_AC];
339 	u_int			ic_edca_updtcount;
340 	u_int16_t		ic_tid_noack;
341 	u_int8_t		ic_globalcnt[EAPOL_KEY_NONCE_LEN];
342 	u_int8_t		ic_nonce[EAPOL_KEY_NONCE_LEN];
343 	u_int8_t		ic_psk[IEEE80211_PMK_LEN];
344 	struct timeout		ic_rsn_timeout;
345 	time_t			ic_tkip_micfail;
346 	u_int64_t		ic_tkip_micfail_last_tsc;
347 #ifndef IEEE80211_STA_ONLY
348 	struct timeout		ic_tkip_micfail_timeout;
349 #endif
350 
351 	TAILQ_HEAD(, ieee80211_pmk) ic_pmksa;	/* PMKSA cache */
352 	u_int			ic_rsnprotos;
353 	u_int			ic_rsnakms;
354 	u_int			ic_rsnciphers;
355 	enum ieee80211_cipher	ic_rsngroupcipher;
356 	enum ieee80211_cipher	ic_rsngroupmgmtcipher;
357 
358 #ifdef notyet
359 	struct ieee80211_defrag	ic_defrag[IEEE80211_DEFRAG_SIZE];
360 	int			ic_defrag_cur;
361 #endif
362 
363 	u_int8_t		*ic_tim_bitmap;
364 	u_int			ic_tim_len;
365 	u_int			ic_tim_mcast_pending;
366 	u_int			ic_dtim_period;
367 	u_int			ic_dtim_count;
368 
369 	u_int32_t		ic_txbfcaps;
370 	u_int16_t		ic_htcaps;
371 	u_int8_t		ic_ampdu_params;
372 	u_int8_t		ic_sup_mcs[howmany(80, NBBY)];
373 	u_int16_t		ic_max_rxrate;	/* in Mb/s, 0 <= rate <= 1023 */
374 	u_int8_t		ic_tx_mcs_set;
375 	u_int16_t		ic_htxcaps;
376 	u_int8_t		ic_aselcaps;
377 	u_int8_t		ic_dialog_token;
378 	int			ic_fixed_mcs;
379 
380 	uint32_t		ic_vhtcaps;
381 	uint16_t		ic_vht_rxmcs;
382 	uint16_t		ic_vht_rx_max_lgi_mbit_s;
383 	uint16_t		ic_vht_txmcs;
384 	uint16_t		ic_vht_tx_max_lgi_mbit_s;
385 
386 	TAILQ_HEAD(, ieee80211_ess)	 ic_ess;
387 };
388 #define	ic_if		ic_ac.ac_if
389 #define	ic_softc	ic_if.if_softc
390 
391 /* list of APs we want to automatically use */
392 /* all data is copied from struct ieee80211com */
393 struct ieee80211_ess {
394 	/* nwid */
395 	int			esslen;
396 	u_int8_t		essid[IEEE80211_NWID_LEN];
397 
398 	/* clear/wep/wpa */
399 	u_int32_t		flags;
400 
401 	/* nwkey */
402 	struct ieee80211_key    nw_keys[IEEE80211_GROUP_NKID];
403 	int			def_txkey;
404 
405 	/* wpakey */
406 	u_int8_t		psk[IEEE80211_PMK_LEN];
407 	u_int			rsnprotos;
408 	u_int			rsnakms;
409 	u_int			rsnciphers;
410 	enum ieee80211_cipher	rsngroupcipher;
411 
412 	TAILQ_ENTRY(ieee80211_ess) ess_next;
413 };
414 
415 #define	IEEE80211_ADDR_EQ(a1,a2)	(memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
416 #define	IEEE80211_ADDR_COPY(dst,src)	memcpy(dst,src,IEEE80211_ADDR_LEN)
417 
418 /* ic_flags */
419 #define	IEEE80211_F_ASCAN	0x00000001	/* STATUS: active scan */
420 #define	IEEE80211_F_SIBSS	0x00000002	/* STATUS: start IBSS */
421 #define	IEEE80211_F_WEPON	0x00000100	/* CONF: WEP enabled */
422 #define	IEEE80211_F_IBSSON	0x00000200	/* CONF: IBSS creation enable */
423 #define	IEEE80211_F_PMGTON	0x00000400	/* CONF: Power mgmt enable */
424 #define	IEEE80211_F_DESBSSID	0x00000800	/* CONF: des_bssid is set */
425 #define	IEEE80211_F_ROAMING	0x00002000	/* CONF: roaming enabled */
426 #define	IEEE80211_F_TXPMGT	0x00018000	/* STATUS: tx power */
427 #define IEEE80211_F_TXPOW_OFF	0x00000000	/* TX Power: radio disabled */
428 #define IEEE80211_F_TXPOW_FIXED	0x00008000	/* TX Power: fixed rate */
429 #define IEEE80211_F_TXPOW_AUTO	0x00010000	/* TX Power: undefined */
430 #define	IEEE80211_F_SHSLOT	0x00020000	/* STATUS: short slot time */
431 #define	IEEE80211_F_SHPREAMBLE	0x00040000	/* STATUS: short preamble */
432 #define IEEE80211_F_QOS		0x00080000	/* CONF: QoS enabled */
433 #define	IEEE80211_F_USEPROT	0x00100000	/* STATUS: protection enabled */
434 #define	IEEE80211_F_RSNON	0x00200000	/* CONF: RSN enabled */
435 #define	IEEE80211_F_PSK		0x00400000	/* CONF: pre-shared key set */
436 #define IEEE80211_F_COUNTERM	0x00800000	/* STATUS: countermeasures */
437 #define IEEE80211_F_MFPR	0x01000000	/* CONF: MFP required */
438 #define	IEEE80211_F_HTON	0x02000000	/* CONF: HT enabled */
439 #define	IEEE80211_F_PBAR	0x04000000	/* CONF: PBAC required */
440 #define	IEEE80211_F_BGSCAN	0x08000000	/* STATUS: background scan */
441 #define IEEE80211_F_AUTO_JOIN	0x10000000	/* CONF: auto-join active */
442 #define	IEEE80211_F_VHTON	0x20000000	/* CONF: VHT enabled */
443 
444 /* ic_xflags */
445 #define	IEEE80211_F_TX_MGMT_ONLY 0x00000001	/* leave data frames on ifq */
446 
447 /* ic_caps */
448 #define	IEEE80211_C_WEP		0x00000001	/* CAPABILITY: WEP available */
449 #define	IEEE80211_C_IBSS	0x00000002	/* CAPABILITY: IBSS available */
450 #define	IEEE80211_C_PMGT	0x00000004	/* CAPABILITY: Power mgmt */
451 #define	IEEE80211_C_HOSTAP	0x00000008	/* CAPABILITY: HOSTAP avail */
452 #define	IEEE80211_C_AHDEMO	0x00000010	/* CAPABILITY: Old Adhoc Demo */
453 #define	IEEE80211_C_APPMGT	0x00000020	/* CAPABILITY: AP power mgmt */
454 #define	IEEE80211_C_TXPMGT	0x00000040	/* CAPABILITY: tx power mgmt */
455 #define	IEEE80211_C_SHSLOT	0x00000080	/* CAPABILITY: short slottime */
456 #define	IEEE80211_C_SHPREAMBLE	0x00000100	/* CAPABILITY: short preamble */
457 #define	IEEE80211_C_MONITOR	0x00000200	/* CAPABILITY: monitor mode */
458 #define IEEE80211_C_SCANALL	0x00000400	/* CAPABILITY: scan all chan */
459 #define IEEE80211_C_QOS		0x00000800	/* CAPABILITY: QoS avail */
460 #define IEEE80211_C_RSN		0x00001000	/* CAPABILITY: RSN avail */
461 #define IEEE80211_C_MFP		0x00002000	/* CAPABILITY: MFP avail */
462 #define IEEE80211_C_RAWCTL	0x00004000	/* CAPABILITY: raw ctl */
463 #define IEEE80211_C_SCANALLBAND	0x00008000	/* CAPABILITY: scan all bands */
464 #define IEEE80211_C_TX_AMPDU	0x00010000	/* CAPABILITY: send A-MPDU */
465 #define IEEE80211_C_ADDBA_OFFLOAD 0x00020000	/* CAPABILITY: ADDBA offload */
466 
467 /* flags for ieee80211_fix_rate() */
468 #define	IEEE80211_F_DOSORT	0x00000001	/* sort rate list */
469 #define	IEEE80211_F_DOFRATE	0x00000002	/* use fixed rate */
470 #define	IEEE80211_F_DONEGO	0x00000004	/* calc negotiated rate */
471 #define	IEEE80211_F_DODEL	0x00000008	/* delete ignore rate */
472 
473 void	ieee80211_ifattach(struct ifnet *);
474 void	ieee80211_ifdetach(struct ifnet *);
475 void	ieee80211_channel_init(struct ifnet *);
476 void	ieee80211_media_init(struct ifnet *, ifm_change_cb_t, ifm_stat_cb_t);
477 int	ieee80211_media_change(struct ifnet *);
478 void	ieee80211_media_status(struct ifnet *, struct ifmediareq *);
479 int	ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
480 int	ieee80211_get_rate(struct ieee80211com *);
481 void	ieee80211_watchdog(struct ifnet *);
482 int	ieee80211_fix_rate(struct ieee80211com *, struct ieee80211_node *, int);
483 uint64_t	ieee80211_rate2media(struct ieee80211com *, int,
484 		    enum ieee80211_phymode);
485 int	ieee80211_media2rate(uint64_t);
486 uint64_t	ieee80211_mcs2media(struct ieee80211com *, int,
487 		    enum ieee80211_phymode);
488 int	ieee80211_media2mcs(uint64_t);
489 u_int8_t ieee80211_rate2plcp(u_int8_t, enum ieee80211_phymode);
490 u_int8_t ieee80211_plcp2rate(u_int8_t, enum ieee80211_phymode);
491 u_int	ieee80211_mhz2ieee(u_int, u_int);
492 u_int	ieee80211_chan2ieee(struct ieee80211com *,
493 		const struct ieee80211_channel *);
494 u_int	ieee80211_ieee2mhz(u_int, u_int);
495 int	ieee80211_min_basic_rate(struct ieee80211com *);
496 int	ieee80211_max_basic_rate(struct ieee80211com *);
497 int	ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
498 enum ieee80211_phymode ieee80211_next_mode(struct ifnet *);
499 enum ieee80211_phymode ieee80211_chan2mode(struct ieee80211com *,
500 		const struct ieee80211_channel *);
501 void	ieee80211_disable_wep(struct ieee80211com *);
502 void	ieee80211_disable_rsn(struct ieee80211com *);
503 int	ieee80211_add_ess(struct ieee80211com *, struct ieee80211_join *);
504 void	ieee80211_del_ess(struct ieee80211com *, char *, int, int);
505 void	ieee80211_set_ess(struct ieee80211com *, struct ieee80211_ess *,
506 	    struct ieee80211_node *);
507 void	ieee80211_deselect_ess(struct ieee80211com *);
508 struct ieee80211_ess *ieee80211_get_ess(struct ieee80211com *, const char *, int);
509 void	ieee80211_begin_bgscan(struct ifnet *);
510 
511 extern	int ieee80211_cache_size;
512 
513 #endif /* _NET80211_IEEE80211_VAR_H_ */
514